Home / 57,457.36-86,186.04-18,017.65

Finding the Fourth Proportional to 57,457.36, 86,186.04 and 18,017.65

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Solution

The fourth proportional to 57,457.36, 86,186.04 and 18,017.65 is: 27,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457.36 : 86,186.04 = 18,017.65 : x
  2. Step 2: Convert to fraction form
    57,457.36/86,186.04 = 18,017.65/x
  3. Step 3: Cross multiply
    57,457.36x = 86,186.04 × 18,017.65
  4. Step 4: Simplify right side
    57,457.36x = 1,552,869,903.61
  5. Step 5: Solve for x
    x = 1,552,869,903.61/57,457.36
  6. Step 6: Final answer
    x = 27,026.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.